J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Amatek Scientific Co. Ltd.
Telephone0512-56316828 4008675858
Websitehttp://www.amateksci.com
ShangHai AmK Pharmaceutical Technology Co., Ltd.
Telephone 18019252918
Websitehttp://www.amkchem.com微信：17321281695
Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
Beijing Haite lesk Technology Co., Ltd
Telephone15210893940; 15116916250
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList804170/0.htm
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
Telephone +8613580539051
Websitehttp://www.yuhengpharm.com/
Tianjin shanhaijing medicine technology co., ltd
Telephone 19129375004 15321929114
Websitehttp://www.yangtzechem.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
